Alright, let's work through 5405 times 7443 step by step
5405 × 7443 = 7443 × (5405)
+ 7443 × 5 that equals 37215
+ 7443 × 00 resulting in 0
+ 7443 × 400 producing 2977200
+ 7443 × 5000 producing 37215000

= 40229415
